松辽盆地北部T_2反射层断裂密集带成因机制
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摘要
松辽盆地北部T2反射层断裂与中浅层油气的运聚成藏关系紧密,揭示T2反射层断裂密集带的成因机制对指导油气勘探至关重要.基于松辽盆地北部区域地震解释,从分析断裂发育特征着手,以断裂形成演化过程为主线,系统剖析了盆地演化不同阶段断裂的变形机制,揭示了T2反射层断裂密集带的形成机制及其对油气运聚成藏的指示作用.研究表明,T2反射层断裂密集带是在断陷演化基础上,在断陷期断裂先存构造、泉一二段塑性泥岩盖层水平拆离作用和近EW向拉张应力场的控制下形成的,全区以近SN向拉张机制伸展型密集带为主,NE向、NW向和近EW向斜拉机制调节型密集带和走滑调节型密集带零星分布.盆地反转期受断陷半地堑、基底深大断裂和左旋压扭变形场控制形成反转构造带的同时,反转构造带内的断裂密集带被逆时针旋转改造而定型,呈NW-NNW向展布为主.反转构造带内T2反射层NW-NNW向断裂密集带边部断裂和未反转区带内T2反射层近SN向断裂密集带边部断裂长期活动,与油气大量生排烃时期匹配,是中浅层油气运聚成藏的油源断层.
The relationship between T2 reflector fault and hydrocarbon accumulation reservoir of middle-shallow layer is close, which proves genetic mechanism of T2 reflector fault dense zones is important for hydrocarbon exploration. Based on the northern Songliao basin regional seismic interpretation, the analysis of the development characteristics and the formation and evolution of fault, we systematically analyze fault deformation mechanism at different stages, which reveal formation mechanism of T2 reflector fault dense zones and indication of hydrocarbon exploration. This study shows that T2 reflector fault dense zones have been formed through the following three preriods, namely, the initial faulted period, pre-structure in faulted period, and level detachment of plastic mudstone cap rock and EW tension stress field in Quanyi member. Stretch dense zones of SN tension stress mechanism dominates the region. Accommodation and strike slip accommodation dense zones of NE, NW and EW oblique stretch mechanism is fragmentary in distribution. Sinistral compresso-shear deformation field, half grabens during faulted period and basal huge faults jointly control the formation of subprime anticlines and structural inversion belts during reversed period, meanwhile, fault dense zones of structural inversion belts reform and setting as main NW-NNW by counterclockwise rotation. Edge fault in T2 reflector NW-NNW fault dense zones of structural inversion belts and SN fault dense zones of structural non-inversion belts are long-term activity, of which matches with hydrocarbon generation and expulsion phase in time. They are oil-migrating faults of hydrocarbon accumulation reservoir in middle-shallow layer.
The relationship between T2 reflector fault and hydrocarbon accumulation reservoir of middle-shallow layer is close, which proves genetic mechanism of T2 reflector fault dense zones is important for hydrocarbon exploration. Based on the northern Songliao basin regional seismic interpretation, the analysis of the development characteristics and the formation and evolution of fault, we systematically analyze fault deformation mechanism at different stages, which reveal formation mechanism of T2 reflector fault dense zones and indication of hydrocarbon exploration. This study shows that T2 reflector fault dense zones have been formed through the following three preriods, namely, the initial faulted period, pre-structure in faulted period, and level detachment of plastic mudstone cap rock and EW tension stress field in Quanyi member. Stretch dense zones of SN tension stress mechanism dominates the region. Accommodation and strike slip accommodation dense zones of NE, NW and EW oblique stretch mechanism is fragmentary in distribution. Sinistral compresso-shear deformation field, half grabens during faulted period and basal huge faults jointly control the formation of subprime anticlines and structural inversion belts during reversed period, meanwhile, fault dense zones of structural inversion belts reform and setting as main NW-NNW by counterclockwise rotation. Edge fault in T2 reflector NW-NNW fault dense zones of structural inversion belts and SN fault dense zones of structural non-inversion belts are long-term activity, of which matches with hydrocarbon generation and expulsion phase in time. They are oil-migrating faults of hydrocarbon accumulation reservoir in middle-shallow layer.
引文
Amilibia,A.,McClay,K.R.,Sabat,F.,et al.,2005.Ana-logue Modeling of Inverted Oblique Rift Systems.Geo-logica Acta,3(3):251-271.
Chen,X.,Li,Z.Q.,Chen,J.L.,et al.,2010.Determinationof the Reverse Period of Songliao Basin,China.Geolog-ical Bulletin of China,29(2-3):305-311(in Chinesewith English abstract).
Fang,L.M.,Li,Y.X.,Yin,J.Y.,et al.,2003.Characters ofReverse Tectonics and Its Forming Mechanism in Lateof Fault Depression in Songliao Basin.Oil GeophysicalProspecting,38(2):190-193(in Chinese with Englishabstract).
Feng,Z.Q.,Zhang,S.,Fu,X.L.,2012.Depositional Evolu-tion and Accumulation Response of Yaojia-NenjiangFormation in Songliao Basin.Earth Science Frontiers,19(1):78-88(in Chinese with English abstract).
Fu,X.F.,Wang,P.Y.,Lv,Y.F.,et al.,2007.Tectonic Fea-tures and Control of Oil-Gas Accumulation in the WestSlope of Songliao Basin.Chinese Journal of Geology,42(2):209-222(in Chinese with English abstract).
Fu,X.L.,Zhang,S.,Liang,J.P.,2010.Characteristics ofHydrocarbon Accumulation in the Shallow SecondaryReservoirs in the Northern Songliao Basin.Natural GasIndustry,30(4):29-34(in Chinese with English ab-stract).
Harding,T.P.,1984.Structural Inversion at Rambutan OilField,South Sumatra Basin.AAPG Bullt.,3:33-362.
Harding,T.P.,Lowell,J.D.,1979.Structural Styles,TheirPlate-Tectonic Habitats,and Hydrocarbon Traps in Pe-troleum Provinces.American Assoc.Petroleum Geol.Bull.,63(7):1016-1058.
Hou,G.T.,Feng,D.C.,Wang,W.M.,et al.,2004.ReverseStructures and Their Impacts on Hydrocarbon Accumu-lation in Songliao Basin.Oil&Gas Geology,25(1):49-53(in Chinese with English abstract).
Hu,W.S.,1995.“T2”Faults System and Early Qingshank-ou Stretched Rifiting in Songliao Basin.Petroleum Ex-ploration and Development,22(2):8-12(in Chinesewith English abstract).
Hu,W.S.,Lü,B.Q.,Zhang,W.J.,et al.,2005.An Ap-proach to Tectonic Evolution and Dynamics of theSongliao Basin.Chinese Journal of Geology,40(1):16-31(in Chinese with English abstract).
Koopman,A.,Speksnijder,A.,Horsfield,W.T.,1987.Sandbox Model Studies of Inversion Tectonics.Tectono-physics,137(1-4):379-388.
Li,J.,Huang,Z.L.,Liu,B.Z.,et al.,2008.Control Effectsof Spreading Structure and Reversal Structure on Hy-drocarbon Distribution—An Example from DongnanUplift in Songliao Basin.Xinjiang Petroleum Geology,29(1):19-21(in Chinese with English abstract).
Liu,D.L.,Chen,F.J.,Wen,X.Q.,1996.Analysis on theRigin of T2Post-Rift Formations in Songliao Basin.Journal of Daqing Petroleum Institute,20(1):23-23(in Chinese with English abstract).
McClay,K.R.,1995.The Geometries and Kinematics of In-verted Fault Systems:A Review of Analogue ModelStudies.Geological Society,88:97-118.doi:10.1144/GSL.SP.1995.008.01.07
Meng,Q.A.,Yang,Y.B.,Jin,M.Y.,2006.Controlling Roleof Faults to Giant Qingshen Gas Field in Songliao Ba-sin.Acta Petrolei Sinica,27(Suppl.):14-17(in Chi-nese with English abstract).
Mitra S.,1993.Geometry and Kinematic Evolution of Inver-sion Structures.AAPG Bull.,77(7):1159-1191.
Shi,S.S.,Ren,J.Y.,Zhang,S.,et al.,2012.Sequence Stra-tigraphic Framework and Its Formation Mechanism ofPost-Rift Inversion Successions in North of SongliaoBasin,China.Earth Science—Journal of China Univer-sity of Geosciences,37(3):545-555(in Chinese withEnglish abstract).
Song,Y.,Ren,J.Y.,Yang,H.Z.,et al.,2010.Characteris-tics and Dynamic Background of Bottom Boundary inYaojia Formation of The Northern Songliao Basin.ActaPetrolei.Sinica,31(2):187-195(in Chinese withEnglish abstract).
Ventisette,C.D.,Montanari,D.,Sani,F.,et al.,2006.BasinInversion and Fault Reactivation in Laboratory Experi-ments.Journal of Structural Geology,28(11):2067-2083.
Yin,J.Y.,Liu,H.F.,Chi,H.J.,2002.Evolution and GasAccumulation of Xujiaweizi Depression in Songliao Ba-sin.Acta Petrolei.Sinica,23(2):26-29(in Chinesewith English abstract).
Yu,D.,Lu,Y.F.,Fu,X.F.,et al.,2010.Characteristics ofFault Structure and Its Control on Deep Gas Reservoirin Xujiaweizi Fault Depression,Songliao Basin.Geolog-ical Review,56(2):237-245(in Chinese with Englishabstract).
Yun,J.B.,Jin,Z.J.,Yin,J.Y.,et al.,2008.Reflection Fea-ture and Geodynamic Significance of Deep Seismic Re-flection in Xujiaweizi Region of North Songliao Basin.Earth Science Frontiers,15(4):307-314(in Chinesewith English abstract).
Zhang,G.C.,Xu,H.,Liu,H.F.,et al.,1996.InversionStructures in Relation to Oil and Gas Field Distributionin Songliao Basin.Acta Petrolei Sinica,17(2):9-14(in Chinese with English abstract).
Zhang,L.,Yue,L.P.,Yang,Y.J.,et al.,2002.FractureFeatures of Reversed Basin:Taking Sanzhao Area ofSongliao Basin for Example.Oil&Gas Geology,23(4):361-363(in Chinese with English abstract).
Zhang,W.J.,Hu,W.S.,Guan,D.Y.,et al.,2004.An Anal-ysis of Tectonic Inversion in Songliao Basin China.Offshore Oil and Gas,16(4):230-234(in Chinesewith English abstract).
Zhang,X.J.,Zou,Y.L.,Huo,Q.L.,2008.Application ofFluid Inclusions to Period Research on Oil and Gas Ac-cumulation in Songliao Basin.China Petroleum Explo-ration,(4):50-55(in Chinese with English abstract).
Zhong,Y.Q.,Ma,W.J.,2011.Mesozoic,Cenozoic TectonicMovements and the Control on Sandstone-Hosted Ura-nium Deposit in North Songliao Basin.Contributions toGeology and Mineral Resources Research,26(4):411-416(in Chinese with English abstract).
陈骁,李忠权,陈均亮,等,2010.松辽盆地反转期的界定.地质通报,29(2-3):305-311.
方立敏,李玉喜,殷进垠,等,2003.松辽盆地断陷末期反转构造特征与形成机制.石油地球物理勘探,38(2):190-193.
冯志强,张顺,付秀丽,2012.松辽盆地姚家组-嫩江组沉积演化与成藏响应.地学前缘,19(1):78-87.
付晓飞,王朋岩,吕延防,等,2007.松辽盆地西部斜坡构造特征及对油气成藏的控制.地质科学,42(2):209-222.
付秀丽,张顺,梁江平,2010.松辽盆地北部浅层次生油气藏成藏特征.天然气工业,30(4):29-34.
侯贵廷,冯大晨,王文明,等,2004.松辽盆地的反转构造作用及其对油气成藏的影响.石油与天然气地质,25(1):49-53.
胡望水,1995.松辽盆地“T2”断层系及青山口早期伸展裂陷.石油勘探与开发,22(2):8-12.
胡望水,吕炳全,张文军,等,2005.松辽盆地构造演化及成盆动力学探讨.地质科学,40(1):16-31.
李君,黄志龙,刘宝柱,等,2008.伸展构造与反转构造对油气分布的控制作用——以松辽盆地东南隆起区为例.新疆石油地质,29(1):19-21.
刘德来,陈发景,温详泉,1996.松辽盆地坳陷期T2断层成因机制分析.大庆石油学院学报,20(1):23-23.
蒙启安,杨永斌,金明玉,2006.断裂对松辽盆地庆深大气田的控制作用.石油学报,27(增刊):14-17.
史双双,任建业,张顺,等,2012.松辽盆地北部裂后反转期层序地层格架及其形成机制.地球科学——中国地质大学学报,37(3):545-555.
宋鹰,任建业,阳怀忠,等,2010.松辽盆地北部姚家组底界面特征及其动力学背景.石油学报,31(2):187-195.
殷进垠,刘和甫,迟海江,2002.松辽盆地徐家围子断陷构造演化.石油学报,23(2):26-29.
于丹,吕延防,付晓飞,等,2010.松辽盆地北部徐家围子断陷断裂构造特征及对深层天然气的控制作用.地质论评,56(2):237-245.
云金表,金之钧,殷进垠,等,2008.松辽盆地徐家围子地区深反射结构及其盆地动力学意义.地学前缘,15(4):307-314.
张功成,徐宏,刘和甫,等,1996.松辽盆地反转构造与油气田分布.石油学报,17(2):9-14.
张莉,岳乐平,杨亚娟,等,2002.反转构造盆地裂缝特征以松辽盆地大庆三肇地区为例.石油与天然气地质,23(4):361-363.
张文军,胡望水,官大勇,等,2004.松辽裂陷盆地反转期构造分析.中国海上油气,16(4):230-234.
张学军,邹育良,霍秋立,2008.流体包裹体在松辽盆地成藏期次研究中的应用.中国石油勘探,(4):50-55.
钟延秋,马文娟,2011.松辽盆地北部中、新生代构造运动特征及对砂岩型铀矿的控制作用.地质找矿论丛,26(4):411-416.
Chen,X.,Li,Z.Q.,Chen,J.L.,et al.,2010.Determinationof the Reverse Period of Songliao Basin,China.Geolog-ical Bulletin of China,29(2-3):305-311(in Chinesewith English abstract).
Fang,L.M.,Li,Y.X.,Yin,J.Y.,et al.,2003.Characters ofReverse Tectonics and Its Forming Mechanism in Lateof Fault Depression in Songliao Basin.Oil GeophysicalProspecting,38(2):190-193(in Chinese with Englishabstract).
Feng,Z.Q.,Zhang,S.,Fu,X.L.,2012.Depositional Evolu-tion and Accumulation Response of Yaojia-NenjiangFormation in Songliao Basin.Earth Science Frontiers,19(1):78-88(in Chinese with English abstract).
Fu,X.F.,Wang,P.Y.,Lv,Y.F.,et al.,2007.Tectonic Fea-tures and Control of Oil-Gas Accumulation in the WestSlope of Songliao Basin.Chinese Journal of Geology,42(2):209-222(in Chinese with English abstract).
Fu,X.L.,Zhang,S.,Liang,J.P.,2010.Characteristics ofHydrocarbon Accumulation in the Shallow SecondaryReservoirs in the Northern Songliao Basin.Natural GasIndustry,30(4):29-34(in Chinese with English ab-stract).
Harding,T.P.,1984.Structural Inversion at Rambutan OilField,South Sumatra Basin.AAPG Bullt.,3:33-362.
Harding,T.P.,Lowell,J.D.,1979.Structural Styles,TheirPlate-Tectonic Habitats,and Hydrocarbon Traps in Pe-troleum Provinces.American Assoc.Petroleum Geol.Bull.,63(7):1016-1058.
Hou,G.T.,Feng,D.C.,Wang,W.M.,et al.,2004.ReverseStructures and Their Impacts on Hydrocarbon Accumu-lation in Songliao Basin.Oil&Gas Geology,25(1):49-53(in Chinese with English abstract).
Hu,W.S.,1995.“T2”Faults System and Early Qingshank-ou Stretched Rifiting in Songliao Basin.Petroleum Ex-ploration and Development,22(2):8-12(in Chinesewith English abstract).
Hu,W.S.,Lü,B.Q.,Zhang,W.J.,et al.,2005.An Ap-proach to Tectonic Evolution and Dynamics of theSongliao Basin.Chinese Journal of Geology,40(1):16-31(in Chinese with English abstract).
Koopman,A.,Speksnijder,A.,Horsfield,W.T.,1987.Sandbox Model Studies of Inversion Tectonics.Tectono-physics,137(1-4):379-388.
Li,J.,Huang,Z.L.,Liu,B.Z.,et al.,2008.Control Effectsof Spreading Structure and Reversal Structure on Hy-drocarbon Distribution—An Example from DongnanUplift in Songliao Basin.Xinjiang Petroleum Geology,29(1):19-21(in Chinese with English abstract).
Liu,D.L.,Chen,F.J.,Wen,X.Q.,1996.Analysis on theRigin of T2Post-Rift Formations in Songliao Basin.Journal of Daqing Petroleum Institute,20(1):23-23(in Chinese with English abstract).
McClay,K.R.,1995.The Geometries and Kinematics of In-verted Fault Systems:A Review of Analogue ModelStudies.Geological Society,88:97-118.doi:10.1144/GSL.SP.1995.008.01.07
Meng,Q.A.,Yang,Y.B.,Jin,M.Y.,2006.Controlling Roleof Faults to Giant Qingshen Gas Field in Songliao Ba-sin.Acta Petrolei Sinica,27(Suppl.):14-17(in Chi-nese with English abstract).
Mitra S.,1993.Geometry and Kinematic Evolution of Inver-sion Structures.AAPG Bull.,77(7):1159-1191.
Shi,S.S.,Ren,J.Y.,Zhang,S.,et al.,2012.Sequence Stra-tigraphic Framework and Its Formation Mechanism ofPost-Rift Inversion Successions in North of SongliaoBasin,China.Earth Science—Journal of China Univer-sity of Geosciences,37(3):545-555(in Chinese withEnglish abstract).
Song,Y.,Ren,J.Y.,Yang,H.Z.,et al.,2010.Characteris-tics and Dynamic Background of Bottom Boundary inYaojia Formation of The Northern Songliao Basin.ActaPetrolei.Sinica,31(2):187-195(in Chinese withEnglish abstract).
Ventisette,C.D.,Montanari,D.,Sani,F.,et al.,2006.BasinInversion and Fault Reactivation in Laboratory Experi-ments.Journal of Structural Geology,28(11):2067-2083.
Yin,J.Y.,Liu,H.F.,Chi,H.J.,2002.Evolution and GasAccumulation of Xujiaweizi Depression in Songliao Ba-sin.Acta Petrolei.Sinica,23(2):26-29(in Chinesewith English abstract).
Yu,D.,Lu,Y.F.,Fu,X.F.,et al.,2010.Characteristics ofFault Structure and Its Control on Deep Gas Reservoirin Xujiaweizi Fault Depression,Songliao Basin.Geolog-ical Review,56(2):237-245(in Chinese with Englishabstract).
Yun,J.B.,Jin,Z.J.,Yin,J.Y.,et al.,2008.Reflection Fea-ture and Geodynamic Significance of Deep Seismic Re-flection in Xujiaweizi Region of North Songliao Basin.Earth Science Frontiers,15(4):307-314(in Chinesewith English abstract).
Zhang,G.C.,Xu,H.,Liu,H.F.,et al.,1996.InversionStructures in Relation to Oil and Gas Field Distributionin Songliao Basin.Acta Petrolei Sinica,17(2):9-14(in Chinese with English abstract).
Zhang,L.,Yue,L.P.,Yang,Y.J.,et al.,2002.FractureFeatures of Reversed Basin:Taking Sanzhao Area ofSongliao Basin for Example.Oil&Gas Geology,23(4):361-363(in Chinese with English abstract).
Zhang,W.J.,Hu,W.S.,Guan,D.Y.,et al.,2004.An Anal-ysis of Tectonic Inversion in Songliao Basin China.Offshore Oil and Gas,16(4):230-234(in Chinesewith English abstract).
Zhang,X.J.,Zou,Y.L.,Huo,Q.L.,2008.Application ofFluid Inclusions to Period Research on Oil and Gas Ac-cumulation in Songliao Basin.China Petroleum Explo-ration,(4):50-55(in Chinese with English abstract).
Zhong,Y.Q.,Ma,W.J.,2011.Mesozoic,Cenozoic TectonicMovements and the Control on Sandstone-Hosted Ura-nium Deposit in North Songliao Basin.Contributions toGeology and Mineral Resources Research,26(4):411-416(in Chinese with English abstract).
陈骁,李忠权,陈均亮,等,2010.松辽盆地反转期的界定.地质通报,29(2-3):305-311.
方立敏,李玉喜,殷进垠,等,2003.松辽盆地断陷末期反转构造特征与形成机制.石油地球物理勘探,38(2):190-193.
冯志强,张顺,付秀丽,2012.松辽盆地姚家组-嫩江组沉积演化与成藏响应.地学前缘,19(1):78-87.
付晓飞,王朋岩,吕延防,等,2007.松辽盆地西部斜坡构造特征及对油气成藏的控制.地质科学,42(2):209-222.
付秀丽,张顺,梁江平,2010.松辽盆地北部浅层次生油气藏成藏特征.天然气工业,30(4):29-34.
侯贵廷,冯大晨,王文明,等,2004.松辽盆地的反转构造作用及其对油气成藏的影响.石油与天然气地质,25(1):49-53.
胡望水,1995.松辽盆地“T2”断层系及青山口早期伸展裂陷.石油勘探与开发,22(2):8-12.
胡望水,吕炳全,张文军,等,2005.松辽盆地构造演化及成盆动力学探讨.地质科学,40(1):16-31.
李君,黄志龙,刘宝柱,等,2008.伸展构造与反转构造对油气分布的控制作用——以松辽盆地东南隆起区为例.新疆石油地质,29(1):19-21.
刘德来,陈发景,温详泉,1996.松辽盆地坳陷期T2断层成因机制分析.大庆石油学院学报,20(1):23-23.
蒙启安,杨永斌,金明玉,2006.断裂对松辽盆地庆深大气田的控制作用.石油学报,27(增刊):14-17.
史双双,任建业,张顺,等,2012.松辽盆地北部裂后反转期层序地层格架及其形成机制.地球科学——中国地质大学学报,37(3):545-555.
宋鹰,任建业,阳怀忠,等,2010.松辽盆地北部姚家组底界面特征及其动力学背景.石油学报,31(2):187-195.
殷进垠,刘和甫,迟海江,2002.松辽盆地徐家围子断陷构造演化.石油学报,23(2):26-29.
于丹,吕延防,付晓飞,等,2010.松辽盆地北部徐家围子断陷断裂构造特征及对深层天然气的控制作用.地质论评,56(2):237-245.
云金表,金之钧,殷进垠,等,2008.松辽盆地徐家围子地区深反射结构及其盆地动力学意义.地学前缘,15(4):307-314.
张功成,徐宏,刘和甫,等,1996.松辽盆地反转构造与油气田分布.石油学报,17(2):9-14.
张莉,岳乐平,杨亚娟,等,2002.反转构造盆地裂缝特征以松辽盆地大庆三肇地区为例.石油与天然气地质,23(4):361-363.
张文军,胡望水,官大勇,等,2004.松辽裂陷盆地反转期构造分析.中国海上油气,16(4):230-234.
张学军,邹育良,霍秋立,2008.流体包裹体在松辽盆地成藏期次研究中的应用.中国石油勘探,(4):50-55.
钟延秋,马文娟,2011.松辽盆地北部中、新生代构造运动特征及对砂岩型铀矿的控制作用.地质找矿论丛,26(4):411-416.
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